[INFO] fetching crate led_bargraph 0.2.1... [INFO] testing led_bargraph-0.2.1 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate led_bargraph 0.2.1 [INFO] finished tweaking crates.io crate led_bargraph 0.2.1 [INFO] tweaked toml for crates.io crate led_bargraph 0.2.1 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ht16k33 v0.3.0 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0a9d0ed523cd2dcc585d1a8c150d1762f0f19326d3ed7caab370a5337af9ce47 [INFO] running `"docker" "start" "-a" "0a9d0ed523cd2dcc585d1a8c150d1762f0f19326d3ed7caab370a5337af9ce47"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling nb v0.1.2 [INFO] [stderr] Compiling bitflags v0.3.3 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling i2cdev v0.4.4 [INFO] [stderr] Compiling sysfs_gpio v0.5.4 [INFO] [stderr] Compiling embedded-hal v0.2.3 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling slog-scope v4.3.0 [INFO] [stderr] Compiling slog-async v2.5.0 [INFO] [stderr] Compiling slog-stdlog v3.0.5 [INFO] [stderr] Compiling ht16k33 v0.3.0 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling spidev v0.3.0 [INFO] [stderr] Compiling linux-embedded-hal v0.2.2 [INFO] [stderr] Compiling slog-term v2.6.0 [INFO] [stderr] Compiling led_bargraph v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:477:17 [INFO] [stderr] | [INFO] [stderr] 477 | let mut color = match led { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.98s [INFO] running `"docker" "inspect" "0a9d0ed523cd2dcc585d1a8c150d1762f0f19326d3ed7caab370a5337af9ce47"` [INFO] running `"docker" "rm" "-f" "0a9d0ed523cd2dcc585d1a8c150d1762f0f19326d3ed7caab370a5337af9ce47"` [INFO] [stdout] 0a9d0ed523cd2dcc585d1a8c150d1762f0f19326d3ed7caab370a5337af9ce47 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] 494b4214adae872c4378669f88b77853c23b64ec0a0175ebb18c7c8baaf8c541 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "494b4214adae872c4378669f88b77853c23b64ec0a0175ebb18c7c8baaf8c541"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling led_bargraph v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:477:17 [INFO] [stderr] | [INFO] [stderr] 477 | let mut color = match led { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:477:17 [INFO] [stderr] | [INFO] [stderr] 477 | let mut color = match led { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.97s [INFO] running `"docker" "inspect" "494b4214adae872c4378669f88b77853c23b64ec0a0175ebb18c7c8baaf8c541"` [INFO] running `"docker" "rm" "-f" "494b4214adae872c4378669f88b77853c23b64ec0a0175ebb18c7c8baaf8c541"` [INFO] [stdout] 494b4214adae872c4378669f88b77853c23b64ec0a0175ebb18c7c8baaf8c541 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c595912d68d501c51e59de4c9477555cf4adc4113c7ee93e83c98ccf400ce986 [INFO] running `"docker" "start" "-a" "c595912d68d501c51e59de4c9477555cf4adc4113c7ee93e83c98ccf400ce986"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:477:17 [INFO] [stderr] | [INFO] [stderr] 477 | let mut color = match led { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:477:17 [INFO] [stderr] | [INFO] [stderr] 477 | let mut color = match led { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/led_bargraph-192c3b5455023473 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::initialize ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/led_bargraph-bcaa75ba821ab2a1 [INFO] [stdout] test tests::clear ... ok [INFO] [stdout] test tests::set_blink ... ok [INFO] [stdout] test tests::show ... ok [INFO] [stdout] test tests::update ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests led_bargraph [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - Bargraph::update (line 176) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::initialize (line 110) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::new (line 66) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::clear (line 138) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::set_blink (line 230) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::show (line 259) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "c595912d68d501c51e59de4c9477555cf4adc4113c7ee93e83c98ccf400ce986"` [INFO] running `"docker" "rm" "-f" "c595912d68d501c51e59de4c9477555cf4adc4113c7ee93e83c98ccf400ce986"` [INFO] [stdout] c595912d68d501c51e59de4c9477555cf4adc4113c7ee93e83c98ccf400ce986